CN109611324A - Diaphragm pump diaphragm alarm sealing structure - Google Patents
Diaphragm pump diaphragm alarm sealing structure Download PDFInfo
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- CN109611324A CN109611324A CN201910086278.8A CN201910086278A CN109611324A CN 109611324 A CN109611324 A CN 109611324A CN 201910086278 A CN201910086278 A CN 201910086278A CN 109611324 A CN109611324 A CN 109611324A
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- pressure
- diaphragm
- cylinder body
- pressure ring
- face
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention relates to a kind of diaphragm pump diaphragm alarm sealing structure, including two diaphragms, it is folded with pressure ring between two diaphragms, the edge and pressure ring of two diaphragms are clamped between cylinder body and cylinder cap, radially offer pressure port on pressure ring；Cylinder cap is equipped with a circle flange towards the end face of cylinder body to form installation plunger stage in the end face, and the corresponding end of cylinder body protrudes into installation plunger stage and two diaphragms and pressure ring are clamped between its end face and the bottom surface of installation plunger stage；Protrusion is equipped with a circle annular convex platform to the outer fringe position of the two sides of pressure ring respectively, is respectively equipped with annular groove corresponding with annular convex platform on the end face of cylinder body and the bottom surface of installation plunger stage；Perforative pressure channel is radially offered on flange and is connected to pressure port；Sealing ring is equipped between flange inner wall and outer wall of cylinder block.By diaphragm service life can be improved, by external pressure gauge or sensor instant alarming and can guarantee effective sealing after diaphragm is damaged to effective clamping of diaphragm and creep resistant decrement control mode.
Description
Technical field
A kind of technical field that the invention belongs to pump in fluid varactor machine, and in particular to diaphragm pump diaphragm alarm sealing
Structure.
Background technique
The working principle of diaphragm pump is agitated back and forth by the intracorporal diaphragm of cylinder, so that the volume for changing medium chamber reaches
The purpose of sucking and discharge pumped medium.The operating condition of diaphragm is more severe, especially the effect in high temperature and pressure and alternating load
Under, it is easy broken invalid or continues creep to deviate to cause to fail, the service life of diaphragm is shorter.
At present also about the research of membrane ruptures context of detection, such as CN204476717U, a kind of metal diaphragm is disclosed
Safety check-up structure, but pressure is surveyed by pressure gauge and is alarmed, only treatment measures after a kind of membrane ruptures；Research direction is also answered
This falls in how to extend in the service life of diaphragm, and is further improved.
Summary of the invention
For the above-mentioned deficiency of the prior art, the technical problem to be solved in the present invention is to provide a kind of alarms of diaphragm pump diaphragm
Sealing structure avoids diaphragm from being easy to continue the problem that creep causes service life short, obtains service life, the diaphragm for improving diaphragm
The effect that energy instant alarming and guarantee effectively seal after breakage.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
Diaphragm pump diaphragm alarm sealing structure is folded with pressure ring, two diaphragms including two diaphragms being set side by side between two diaphragms
Edge and pressure ring be clamped between cylinder body and cylinder cap, perforative pressure port is radially offered on pressure ring；The cylinder
Lid is equipped with a circle flange towards the end face of cylinder body to form installation plunger stage in the end face, and the corresponding end of cylinder body protrudes into the installation
The edge of two diaphragm and pressure ring are simultaneously clamped between its end face and the bottom surface of installation plunger stage by heavy platform；The two sides of pressure ring
Protrusion is equipped with a circle annular convex platform respectively for the outer fringe position in face, is respectively equipped on the end face of cylinder body and the bottom surface of installation plunger stage and ring
The corresponding annular groove of shape boss；Perforative pressure channel, the pressure channel and pressure are radially offered on the flange
Hole connection；Sealing ring is equipped between the inner wall of the flange and the outer wall of cylinder body.
Diaphragm alarm sealing structure of the invention, the edge and pressure ring of two diaphragms is clamped by cylinder body and cylinder cap, simultaneously
The edge for clamping diaphragm by inner support, external pressure provided with annular convex platform and corresponding annular groove, makes diaphragm be clamped portion
There is certain predeformation in position, and different from the plane method of clamping in existing structure, the present invention is improved by the predeformation of diaphragm
Clamping effect, even if diaphragm retaining part pretightning force declines, due to the effect of diaphragm predeformation, during diaphragm deflection just not
It is easy to appear the phenomenon that diaphragm edge is deviate to center sliding, lasting creep, therefore diaphragm is not in wrinkle during flexure
Pleat phenomenon can effectively improve the service life of diaphragm；If breakage occurs in diaphragm, pressure change can be logical by pressure port and pressure
Road transmitting is shown by the pressure gauge or pressure sensor of the connection of pressure channel outer end, is alarmed, wherein by the setting of flange, made
Pressure channel can radially open up, can a direct drilling be process, reduce difficulty of processing, flange inner wall and outer wall of cylinder block
Between be equipped with sealing ring, even if diaphragm is damaged, the sealed connection of diaphragm is failed, hydraulic oil or medium will not leak from this,
Strengthen sealing reliability when diaphragm breakage.
Above-mentioned technical proposal is further improved, protrusion is equipped with positive stop lug boss, the positive stop lug boss on the outer wall of the cylinder body
It is opposite with the end face of the flange and there is gap for controlling diaphragm pre compressed magnitude between positive stop lug boss and flange.
In this way, design when according to use the factors such as temperature, pressure and membrane thicknesses determine diaphragm installation when diaphragm it is pre-
Decrement --- i.e. for controlling the gap of diaphragm pre compressed magnitude (from structurally reacting).When assembly, connected by bolt mode
Cylinder block and head, by the edge of two diaphragms and pressure ring tentatively clamp and then further fastening, eliminate this be used to control diaphragm it is pre-
Pinch seal effect is improved by control diaphragm predeformation amount and compression limit, and makes cylinder body limit convex in the gap of decrement
The direct rigid contact of the both ends of the surface of platform and head flange, in this way, diaphragm is compacted by the pre compressed magnitude of design, it is further accurate to protect
Pretightning force has been demonstrate,proved, and cylinder body with cylinder cap is rigidly abutted by corresponding boss, it would not be because diaphragm be in alternation in use process
It causes to continue creep and make diaphragm abjection failure or be extruded repeatedly thinning and lose sealing effect under load effect, and then effectively
Extend diaphragm service life.It should be noted that it is opposite, in existing similar structures, although being all by cylinder body and cylinder cap
Diaphragm is clamped, but is abutted between cylinder body and cylinder cap without rigidity, the decrement of nonmetallic diaphragm fails to obtain by design effectively
There are gap between the cylinder body and cylinder cap of control and final connection status, it will result in diaphragm in use process and made by alternating load
With, continue creep and deviate from or be extruded repeatedly thinning and lose sealing effect.
Further, the pressure ring is made of two pressure ring plates of radially double of subdivision, in two pressure ring plate phases
Pair face on open up respectively fluted and be formed as the pressure port.
In this way, reducing the difficulty of processing of pressure port, and guarantee the validity of pressure port；The thickness of pressure ring itself is relatively thin,
Radial drilling processing pressure port difficulty is larger, is easy to bore partially and cause to scrap, by the opposite form of two pressure ring plates, take
Milling Process or carve groove on the opposite face of pressure ring piece, processed instead of the drilling of the pressure port of integral type pressure ring, reduce plus
Work difficulty, meanwhile, groove is located on the opposite face of two pressure ring plates, rather than towards diaphragm, diaphragm becomes when not will cause clamping
The problem of shape ties up recess space and pressure port is caused to fail, it is ensured that groove it is unobstructed to ensureing validity.
Further, the groove in pressure ring plate is circumferentially uniformly distributed several of equal part；The internal diameter of the one circle flange
Corresponding with the outer diameter of cylinder body section in it, the internal diameter of the circle flange is corresponding with the outer diameter of two diaphragms and pressure ring；Flange
Inner wall offers pressure annular groove, and institute is fluted to be connected to pressure annular groove, and the inner end in pressure channel is connected to pressure annular groove, and pressure is logical
The outer end connection pressure gauge or pressure sensor in road.
In this way, the timeliness for guaranteeing pressure transmitting, being alarmed by pressure gauge or pressure sensor inspection, by uniformly distributed recessed
Slot and pressure annular groove, diaphragm no matter which position destroy, can and alarm；It should be noted that when assembly, two pressures
Groove in ring plate does not need to be oppositely arranged to combine composition pressure port, and any groove part can independently constitute a pressure port,
It is preferred that groove uniformly distributed in two pressure ring plates is arranged alternately in the circumferential.
Further, the stepped locations formed on the side of pressure ring by projection annular convex platform are arc transition, cylinder body
End face and installation plunger stage bottom surface on the stepped locations that are formed because annular groove is arranged also be corresponding arc transition.
In this way, the predeformation of diaphragm is more natural, is not in breakage during flexure, ensures service life.
Further, the seamed edge on the interior edge of two sides makees round corner treatment on pressure ring.
In this way, diaphragm will not be punctured in deflection deformation by the wedge angle on pressure ring, the damaged probability of diaphragm can be reduced.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention clamps the edge and pressure ring of two diaphragms by cylinder body and cylinder cap, while being provided with annular convex platform and corresponding
Annular groove clamps the edge of diaphragm by inner support, external pressure, make diaphragm be clamped position have certain predeformation, by every
The predeformation of film improves clamping effect, be less prone to during diaphragm deflection diaphragm edge to center sliding, continue creep
The phenomenon that abjection, effectively improves the service life of diaphragm.
2, when diaphragm occurs damaged, pressure change can be transmitted the present invention by pressure port and pressure channel, be led to by pressure
The pressure gauge or pressure sensor of road outer end connection show, alarm, and sealing ring is equipped between flange inner wall and outer wall of cylinder block, even if
Diaphragm is damaged, diaphragm sealed connection failure, and hydraulic oil or medium will not leak from this, close when strengthening diaphragm breakage
Seal reliability.
3, pressure channel of the invention, pressure port and seal form structure are simple, and difficulty of processing is low, reduce manufacturing cost.
4, the present invention when passing through design according to when using the factors such as temperature, pressure and membrane thicknesses to determine diaphragm installation every
Film pre compressed magnitude.When assembly, cylinder block and head is connected by bolt mode and two corresponding end surfaces of cylinder body and cylinder cap are directly connect
Touching thus will not be caused to generate diaphragm abjection failure due to continuing creep under alternate load effect or is extruded repeatedly because of diaphragm
It is thinning and lose sealing effect, and then effectively extend diaphragm service life.
Detailed description of the invention
The structural schematic diagram of Fig. 1-specific embodiment diaphragm pump diaphragm alarm sealing structure；
Fig. 2-Fig. 1'sIPortion's enlarged drawing (2:1)；
Wherein, cylinder body 1, positive stop lug boss 11, gap 2, pressure ring 3, chamfering 31, arc transition 32, pressure port 33, rounded corner 34,
Annular convex platform 35, pressure ring plate 36, diaphragm 4, cylinder cap 5, pressure annular groove 51, pressure channel 52, flange 53, installation plunger stage 54 are close
Seal 6, annular groove 7.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Referring to Fig. 1, Fig. 2, the diaphragm pump diaphragm of specific embodiment is alarmed sealing structure, including two diaphragms 4 being set side by side,
Pressure ring 3 is folded between two diaphragms 4, the edge and pressure ring 3 of two diaphragms 4 are simultaneously clamped between cylinder body 1 and cylinder cap 5,
Perforative pressure port 33 is radially offered on pressure ring 3；The seamed edge on the interior edge of two sides is made at rounded corner 34 on pressure ring 3
Reason.The cylinder cap 5 is equipped with a circle flange 53 towards protrusion on the end face of cylinder body 1 to form installation plunger stage relatively in the end face
54, the corresponding end of cylinder body 1 protrudes into the installation plunger stage 54 and the edge of two diaphragm 4 and pressure ring 3 is clamped in its end face
Between the bottom surface of installation plunger stage 54；The internal diameter of the one circle flange 53 is corresponding with 1 section of cylinder body of outer diameter in it, a circle
The internal diameter of flange 53 is corresponding with the outer diameter of two diaphragms 4 and pressure ring 3；Protrusion is set the outer fringe position of the two sides of pressure ring 3 respectively
There is a circle annular convex platform 35, the annular convex platform 35 with respective side is respectively equipped on the end face of cylinder body 1 and the bottom surface of installation plunger stage 54
Corresponding annular groove 7；The stepped locations formed on the side of pressure ring 3 by projection annular convex platform 35 are arc transition
32, the stepped locations formed on the end face of cylinder body 1 and the bottom surface of installation plunger stage 54 because annular groove 7 are arranged are also corresponding circle
Arc transition radially offers perforative pressure channel 52, the inner end in the pressure channel 52 and pressure port on the flange 53
33 connections, outer end connect pressure gauge (not shown)；It is set between the inner wall of the flange 53 and 1 section of cylinder body of outer wall in it
There is sealing ring 6.
The diaphragm alarm sealing structure of specific embodiment, passes through cylinder body 1 and cylinder cap 5 clamps edge and the pressure of two diaphragms 4
Ring 3, while it being provided with the edge that annular convex platform 35 and corresponding annular groove 7 clamp diaphragm 4 by inner support, external pressure, make
Diaphragm 4, which is clamped position, certain predeformation, different from the plane method of clamping in existing structure, passes through the pre- change of diaphragm 4
Shape improves clamping effect, even if 4 retaining part pretightning force of diaphragm declines, due to the effect of 4 predeformation of diaphragm, scratches in diaphragm 4
Just it is not easy the phenomenon that 4 edge of diaphragm is deviate to center sliding, lasting creep occur during bent, therefore diaphragm 4 is deflecting across
Be not in creeping phenomenon in journey, the service life of diaphragm 4 can be effectively improved；If breakage occurs in diaphragm 4, pressure change can lead to
It crosses pressure port 33 and pressure channel 52 is transmitted, shown, alarmed by the pressure gauge that 52 outer end of pressure channel connects, wherein by convex
The setting of edge 53 opens up pressure channel 52 radially, can a direct drilling be process, reduce difficulty of processing, it is convex
Sealing ring 6 is equipped between 1 outer wall of 53 inner wall of edge and cylinder body, even if diaphragm 4 is damaged, the sealed connection of diaphragm 4 failure, hydraulic oil or
Medium will not leak from this, strengthen sealing reliability when 4 breakage of diaphragm.
Wherein, protrusion is equipped with positive stop lug boss 11, the positive stop lug boss 11 and the flange 53 on the outer wall of the cylinder body 1
End face has the gap 2 for controlling 4 pre compressed magnitude of diaphragm relatively and between positive stop lug boss 11 and flange 53.In this way, can be into
One step guarantees pretightning force；When design, according to use the factors such as temperature, pressure and membrane thicknesses determine diaphragm 4 install when every
Film pre compressed magnitude --- i.e. for controlling the gap 2 of diaphragm pre compressed magnitude, when assembly, cylinder cap 5 and cylinder body 1 are by bolt (in figure
It is not shown) mode of bolt connects, and guarantees by design requirement the pretightning force clamped to the edge and pressure ring 3 of two diaphragms 4, tool
Body is that the edge of two diaphragms 4 and pressure ring 3 are tentatively first clamped state as shown in Figure 1, is then further fastened by bolt again,
This is eliminated for controlling the gap 2 of diaphragm pre compressed magnitude, it is close that clamping is improved by control 4 predeformation amount of diaphragm and compression limit
Effect is sealed, and makes the direct rigid contact of both ends of the surface of positive stop lug boss 11 Yu flange 53, in this way, pre compressed magnitude of the diaphragm 4 by design
It is compacted, further accurately ensure that pretightning force, and cylinder body 1 with cylinder cap 5 is rigidly abutted by corresponding boss, use process
In would not because diaphragm 4 be caused under alternate load effect continue creep due to make diaphragm 4 abjection failure or repeatedly be extruded it is thinning
And sealing effect is lost, and then effectively extend 4 service life of diaphragm.It should be noted that opposite, existing similar structures
In, although being all to be clamped diaphragm 4 by cylinder body 1 and cylinder cap 5, abutted between cylinder body 1 and cylinder cap 5 without rigidity, it is nonmetallic
The decrement of class diaphragm fail to be effectively controlled by design and between the cylinder body 1 and cylinder cap 5 of final connection status there is also
Gap will result in diaphragm in use process by alternate load effect, continue creep and deviate from or be extruded thinning and lose repeatedly
Sealing effect.And positive stop lug boss 11 that the present invention deliberately adds, flange 53, gap 2 and it is corresponding use connection type, can keep away
Exempt from the above problem.
Wherein, the pressure ring 3 is made of two pressure ring plates 36 of radially double of subdivision, in two pressure ring plates, 36 phase
Pair face on open up respectively fluted and be formed as the pressure port 33, the processing of chamfering 31 is made in the outer end of groove.It is taken in this way, reducing
The difficulty of processing in hole 33 is pressed, and guarantees the validity of pressure port 33；The thickness of pressure ring 3 itself is relatively thin, and radial drilling processing takes
It presses 33 difficulty of hole larger, is easy to bore partially and cause to scrap, by the opposite form of two pressure ring plates 36, in 36 phase of pressure ring plate
Pair face on Milling Process or carve groove, processed instead of the drilling of the pressure port 33 of integral type pressure ring 3, reduce difficult processing
Degree, meanwhile, groove is located on the opposite face of two pressure ring plates 36, rather than towards diaphragm 4, diaphragm 4 becomes when not will cause clamping
The problem of shape ties up recess space and pressure port 33 is caused to fail, it is ensured that groove it is unobstructed to ensureing validity.
Further perfect, groove in pressure ring plate 36 is circumferentially uniformly distributed several of equal part；The inner wall of flange 53 is opened
Equipped with pressure annular groove 51, institute is fluted to be connected to pressure annular groove 51, and the inner end in pressure channel 52 is connected to pressure annular groove 51.This
Sample, guarantees pressure transmitting, and the timeliness alarmed by pressure table look-up passes through uniformly distributed groove and pressure annular groove 51,4 nothing of diaphragm
By which position destroy, can and alarm；It should be noted that the groove in two pressure ring plates 36 is not required to when assembly
It is oppositely arranged to combine and constitute pressure port 33, any groove part can independently constitute a pressure port 33, preferably two pressure rings
Uniformly distributed groove is arranged alternately in the circumferential on piece 36.
When implementation, the pressure ring plate 36 is made of metal material, and the diaphragm 4 is tetrafluoro diaphragm；When implementation, in order to
Assembly easy to process, cylinder cap 5 and cylinder body 1 can also further decompose processing, and in the present embodiment, cylinder body 1 is practical to be also split as
Cylinder body and restriction plate processing, cylinder body by restriction plate protrude into installation plunger stage 54 and by the edges and pressure ring 3 of two diaphragm 4
It clamping, positive stop lug boss 11 is also disposed on the outer wall of restriction plate, this has no effect on implementation of the invention, meanwhile, it is similar simple
Replacement is split, should also be fallen within the scope of the present invention.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (6)
- The sealing structure 1. diaphragm pump diaphragm is alarmed, including two diaphragms (4) being set side by side, two diaphragms are folded with pressure between (4) Ring (3), the edge and pressure ring (3) of two diaphragms (4) are clamped between cylinder body (1) and cylinder cap (5), along diameter on pressure ring (3) To offering perforative pressure port (33)；It is characterized by: the cylinder cap (5) is convex equipped with a circle towards the end face of cylinder body (1) To form installation plunger stage (54) in the end face, the corresponding end of cylinder body (1) protrudes into the installation plunger stage (54) and will be described edge (53) The edge and pressure ring (3) of two diaphragms (4) are clamped between its end face and the bottom surface of installation plunger stage (54)；The two of pressure ring (3) Protrusion is equipped with circle annular convex platform (35), the end face of cylinder body (1) and the bottom surface of installation plunger stage (54) to the outer fringe position of side respectively On be respectively equipped with annular groove (7) corresponding with annular convex platform (35)；Perforative take radially is offered on the flange (53) Pressure passageway (52), the pressure channel (52) are connected to pressure port (33)；The inner wall of the flange (53) and the outer wall of cylinder body (1) Between be equipped with sealing ring (6).
- 2. diaphragm pump diaphragm alarm sealing structure according to claim 1, it is characterised in that: on the outer wall of the cylinder body (1) Protrusion is equipped with positive stop lug boss (11), the positive stop lug boss (11) is opposite with the end face of the flange (53) and positive stop lug boss (11) and There is the gap (2) for controlling diaphragm (4) pre compressed magnitude between flange (53).
- 3. diaphragm pump diaphragm alarm sealing structure according to claim 1, it is characterised in that: the pressure ring (3) is by along diameter It is constituted to two pressure ring plates (36) of double of subdivision, opens up fluted and shape respectively on the opposite face of two pressure ring plates (36) As the pressure port (33).
- 4. diaphragm pump diaphragm alarm sealing structure according to claim 3, it is characterised in that: the groove in pressure ring plate (36) For uniformly distributed several of circumferentially equal part；The internal diameter of the flange (53) is corresponding with 1 section of cylinder body of outer diameter in it, the flange (53) internal diameter is corresponding with the outer diameter of two diaphragms (4) and pressure ring (3)；The inner wall of flange (53) offers pressure annular groove (51), Institute is fluted to be connected to pressure annular groove (51), and pressure channel (52) are connected to pressure annular groove (51).
- 5. according to claim 1 diaphragm pump diaphragm alarm sealing structure, it is characterised in that: on the side of pressure ring (3) because Projection annular convex platform (35) and the stepped locations formed are arc transition (32), the end face of cylinder body (1) and installation plunger stage (54) The stepped locations formed on bottom surface because annular groove (7) are arranged are also corresponding arc transition.
- 6. diaphragm pump diaphragm alarm sealing structure according to claim 1, it is characterised in that: two sides on pressure ring (3) The seamed edge on interior edge makees rounded corner (34) processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086278.8A CN109611324B (en) | 2019-01-29 | 2019-01-29 | Diaphragm alarm sealing structure of diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086278.8A CN109611324B (en) | 2019-01-29 | 2019-01-29 | Diaphragm alarm sealing structure of diaphragm pump |
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| CN109611324A true CN109611324A (en) | 2019-04-12 |
| CN109611324B CN109611324B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910086278.8A Active CN109611324B (en) | 2019-01-29 | 2019-01-29 | Diaphragm alarm sealing structure of diaphragm pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792782A (en) * | 2019-11-08 | 2020-02-14 | 陕西航天动力高科技股份有限公司 | Diaphragm pump hose fault monitoring device |
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| CN104533777A (en) * | 2014-12-30 | 2015-04-22 | 米顿罗工业设备（上海）有限公司 | Metallic diaphragm breakage detection structure |
| CN204476717U (en) * | 2014-12-30 | 2015-07-15 | 米顿罗工业设备（上海）有限公司 | Metal diaphragm Safety check-up structure |
| CN207761923U (en) * | 2018-01-05 | 2018-08-24 | 米顿罗工业设备（上海）有限公司 | A kind of compact diaphragm metering pump membrane ruptures detection structure |
| CN208057383U (en) * | 2018-02-07 | 2018-11-06 | 安徽乐昌气动流体设备科技有限公司 | A kind of diaphragm breakage detection device of pneumatic diaphragm pump |
| CN208734516U (en) * | 2018-09-08 | 2019-04-12 | 沈阳双环泵业有限公司 | A kind of membrane pump fluid end with diaphragm gland |
| CN209414129U (en) * | 2019-01-29 | 2019-09-20 | 重庆水泵厂有限责任公司 | A kind of diaphragm pump diaphragm alarm sealing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792782A (en) * | 2019-11-08 | 2020-02-14 | 陕西航天动力高科技股份有限公司 | Diaphragm pump hose fault monitoring device |
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